LT1228 Linear Technology, LT1228 Datasheet - Page 6

• Manufacturer Part Number: LT1228
• Description: 100MHz Current Feedback Amplifier with DC Gain Control
• Manufacturer: Linear Technology

TYPICAL PERFOR
LT1228
6
–1
–2
22
21
20
19
18
17
16
15
14
13
12
42
41
40
39
38
37
36
35
34
33
32
8
7
6
5
4
3
2
1
0
0.1
0.1
0.1
Voltage Gain and Phase vs
Frequency, Gain = 6dB
Voltage Gain and Phase vs
Frequency, Gain = 20dB
Voltage Gain and Phase vs
Frequency, Gain = 40dB
GAIN
PHASE
PHASE
PHASE
GAIN
GAIN
V
R
R
V
R
R
V
R
R
S
S
S
L
F
L
F
L
F
= ±15V
= 100
= 750
= ±15V
= 100
= 750
= ±15V
= 100
= 750
1
1
1
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
10
10
10
W
LT1228 • TPC10
LT1228 • TPC13
LT1228 • TPC16
100
100
100
A
U
CE
0
45
90
135
180
225
0
45
90
135
180
225
0
45
90
135
180
225
C
HARA TERISTICS
180
160
140
120
100
180
160
140
120
100
18
16
14
12
10
80
60
40
20
80
60
40
20
8
6
4
2
0
0
0
0
0
0
–3dB Bandwidth vs Supply
Voltage, Gain = 2, R
–3dB Bandwidth vs Supply
Voltage, Gain = 10, R
–3dB Bandwidth vs Supply
Voltage, Gain = 100, R
2
C
2
2
4
4
4
PEAKING
PEAKING
PEAKING
PEAKING
SUPPLY VOLTAGE (±V)
SUPPLY VOLTAGE (±V)
SUPPLY VOLTAGE (±V)
6
6
6
R
8
8
8
F
0.5dB
5dB
0.5dB
5dB
= 250
10
10
10
L
L
12
12
12
= 100
L
R
= 100
R
F
F
R
R
R
= 100
Current Feedback Amplifier, Pins 1, 6, 8
R
R
= 500
= 500
R
F
F
R
R
F
R
14
14
14
F
F
LT1228 • TPC11
LT1228 • TPC14
LT1228 • TPC17
F
= 500
= 750
F
F
= 750
F
= 2k
= 1k
= 1k
= 2k
= 2k
= 1k
16
16
16
18
18
18
180
160
140
120
100
180
160
140
120
100
80
60
40
20
80
60
40
20
18
16
14
12
10
0
0
8
6
4
2
0
0
0
0
–3dB Bandwidth vs Supply
Voltage, Gain = 2, R
–3dB Bandwidth vs Supply
Voltage, Gain = 10, R
–3dB Bandwidth vs Supply
Voltage, Gain = 100, R
R
2
2
2
F
= 500
4
4
4
PEAKING
PEAKING
SUPPLY VOLTAGE (±V)
SUPPLY VOLTAGE (±V)
SUPPLY VOLTAGE (±V)
R
R
F
F
6
6
6
= 1k
= 250
8
8
8
0.5dB
5dB
10
10
10
R
F
L
PEAKING
PEAKING
= 750
L
12
12
12
= 1k
L
R
R
= 1k
F
F
R
= 1k
R
R
= 500
F
= 500
R
14
R
14
14
R
F
F
LT1228 • TPC12
LT1228 • TPC15
LT1228 • TPC18
= 750
F
F
F
= 1k
= 2k
= 2k
= 2k
= 1k
0.5dB
5dB
16
16
16
18
18
18